Finding the Fourth Proportional to 13,610.96, 18,782.52 and 7,642.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,610.96 : 18,782.52 = 7,642.52 : x
2. Step 2: Convert to fraction form
   13,610.96/18,782.52 = 7,642.52/x
3. Step 3: Cross multiply
   13,610.96x = 18,782.52 × 7,642.52
4. Step 4: Simplify right side
   13,610.96x = 143,545,784.75
5. Step 5: Solve for x
   x = 143,545,784.75/13,610.96
6. Step 6: Final answer
   x = 10,546.34